WO2017086290A1 - アンテナ制御装置、ヘッドマウントディスプレイ、アンテナ制御方法及びプログラム - Google Patents

アンテナ制御装置、ヘッドマウントディスプレイ、アンテナ制御方法及びプログラム Download PDF

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Publication number
WO2017086290A1
WO2017086290A1 PCT/JP2016/083758 JP2016083758W WO2017086290A1 WO 2017086290 A1 WO2017086290 A1 WO 2017086290A1 JP 2016083758 W JP2016083758 W JP 2016083758W WO 2017086290 A1 WO2017086290 A1 WO 2017086290A1
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WO
WIPO (PCT)
Prior art keywords
antenna
driven
antennas
mounted display
drive
Prior art date
Application number
PCT/JP2016/083758
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English (en)
French (fr)
Japanese (ja)
Inventor
一政 千種
克嘉 大西
三浦　和夫
Original Assignee
株式会社ソニー・インタラクティブエンタテインメント
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by 株式会社ソニー・インタラクティブエンタテインメント filed Critical 株式会社ソニー・インタラクティブエンタテインメント
Priority to CN201680066224.XA priority Critical patent/CN108352867A/zh
Priority to US15/770,417 priority patent/US10998626B2/en
Priority to JP2017551873A priority patent/JP6421250B2/ja
Priority to EP16866292.2A priority patent/EP3379736B1/de
Publication of WO2017086290A1 publication Critical patent/WO2017086290A1/ja

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
    • H01Q3/24—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the orientation by switching energy from one active radiating element to another, e.g. for beam switching
    • H01Q3/247—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the orientation by switching energy from one active radiating element to another, e.g. for beam switching by switching different parts of a primary active element
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
    • H01Q3/24—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the orientation by switching energy from one active radiating element to another, e.g. for beam switching
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/01—Head-up displays
    • G02B27/017—Head mounted
    • G02B27/0176—Head mounted characterised by mechanical features
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/12—Supports; Mounting means
    • H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/12—Supports; Mounting means
    • H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
    • H01Q1/2258—Supports; Mounting means by structural association with other equipment or articles used with computer equipment
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/64—Constructional details of receivers, e.g. cabinets or dust covers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/02—Power saving arrangements
    • H04W52/0209—Power saving arrangements in terminal devices
    • H04W52/0225—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal
    • H04W52/0245—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal according to signal strength
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/02—Power saving arrangements
    • H04W52/0209—Power saving arrangements in terminal devices
    • H04W52/0251—Power saving arrangements in terminal devices using monitoring of local events, e.g. events related to user activity
    • H04W52/0254—Power saving arrangements in terminal devices using monitoring of local events, e.g. events related to user activity detecting a user operation or a tactile contact or a motion of the device
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/02—Power saving arrangements
    • H04W52/0209—Power saving arrangements in terminal devices
    • H04W52/0261—Power saving arrangements in terminal devices managing power supply demand, e.g. depending on battery level
    • H04W52/0274—Power saving arrangements in terminal devices managing power supply demand, e.g. depending on battery level by switching on or off the equipment or parts thereof
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/02—Power saving arrangements
    • H04W52/0209—Power saving arrangements in terminal devices
    • H04W52/0261—Power saving arrangements in terminal devices managing power supply demand, e.g. depending on battery level
    • H04W52/0274—Power saving arrangements in terminal devices managing power supply demand, e.g. depending on battery level by switching on or off the equipment or parts thereof
    • H04W52/028—Power saving arrangements in terminal devices managing power supply demand, e.g. depending on battery level by switching on or off the equipment or parts thereof switching on or off only a part of the equipment circuit blocks
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

Definitions

  • the present invention relates to an antenna control device, a head mounted display, an antenna control method, and a program.
  • HMD head-mounted display
  • the HMD includes a plurality of antennas. If the HMD includes a plurality of antennas, it is expected that the communication quality of another antenna will increase even if the communication quality of one antenna decreases according to the change in the orientation of the user's head.
  • the received signal is specified based on the radio wave received by the antenna
  • the radio wave received by the antenna with low communication quality is not very useful. Therefore, from the viewpoint of suppressing power consumption, it is desirable to perform control so as not to drive an antenna having a high possibility of low communication quality.
  • the present invention has been made in view of the above circumstances, and one of its purposes is an antenna control device, a head mounted display, an antenna control method, and an antenna control device capable of suppressing power consumption of a head mounted display including a plurality of antennas. To provide a program.
  • an antenna control device includes a selection unit that selects a part of the plurality of antennas as a drive target antenna according to a posture of a head mounted display including a plurality of antennas, An antenna control unit that controls so that only the antenna to be driven is driven and antennas other than the antenna to be driven are stopped.
  • the head mounted display further includes a switch for controlling whether or not the antenna is fed, and the antenna control unit is fed with only the driving target antenna and has a function other than the driving target antenna.
  • the switch is controlled so that the antenna is not fed.
  • the selection unit selects a plurality of the drive target antennas, and the plurality of selected drive target antennas perform diversity reception.
  • the size of the posture range of the head mounted display controlled so that the antenna is driven differs depending on the antenna.
  • the antenna control unit controls the driving of all antennas included in the head mounted display when the position or angle of the head mounted display changes by a predetermined amount or more, and the selection unit Selects the antenna to be driven from all the driven antennas according to the communication quality of communication with the communication partner.
  • the antenna control unit controls all the antennas included in the head mounted display to be driven,
  • a selection part selects the said drive object antenna from all the driven antennas according to the communication quality of communication with a communicating party.
  • the head-mounted display according to the present invention is a head-mounted display including a plurality of antennas, and a selection unit that selects a part of the plurality of antennas as a drive target antenna according to an attitude of the head-mounted display. And an antenna control unit that controls to drive only the antenna to be driven and stop antennas other than the antenna to be driven.
  • the antenna control method includes a step of selecting a part of the plurality of antennas as a driving target antenna according to a posture of a head mounted display including the plurality of antennas, and only the driving target antenna is driven. And controlling to stop antennas other than the antenna to be driven.
  • the program according to the present invention is a procedure for selecting a part of the plurality of antennas as a driving target antenna according to a posture of a head mounted display including a plurality of antennas, only the driving target antenna is driven,
  • the computer executes a procedure for controlling the antennas other than the antenna to be driven to stop.
  • FIG. 1 is a diagram showing an example of the overall configuration of a video display system 10 according to an embodiment of the present invention.
  • FIG. 2 is a diagram illustrating an example of the configuration of the head mounted display (HMD) 12 according to the present embodiment.
  • HMD head mounted display
  • the video display system 10 includes an HMD 12, an entertainment device 14, a relay device 16, a display 18, a camera microphone unit 20, and a controller 22.
  • the HMD 12 includes a control unit 30, a storage unit 32, a communication unit 34, an input / output unit 38, a display unit 40, a sensor unit 42, and an audio output unit 44 as shown in FIG.
  • the control unit 30 is a program control device such as a microprocessor that operates according to a program installed in the HMD 12, for example.
  • the storage unit 32 is, for example, a storage element such as a ROM or a RAM.
  • the storage unit 32 stores a program executed by the control unit 30.
  • the communication unit 34 is a communication interface such as a wireless LAN module including a plurality of antennas 36, for example.
  • the communication unit 34 according to the present embodiment includes four antennas 36 (antennas 36a, 36b, 36c, and 36d).
  • an antenna 36 a is disposed on the upper front side of the HMD 12.
  • An antenna 36b is arranged on the right side of the HMD 12.
  • An antenna 36c is disposed on the rear side of the HMD 12.
  • An antenna 36d is disposed on the left side of the HMD 12.
  • these four antennas 36 are assumed to be adaptive array antennas.
  • the input / output unit 38 is an input / output port such as an HDMI (registered trademark) (High-Definition Multimedia Interface) port, a USB port, an AUX port, or the like.
  • HDMI registered trademark
  • AUX AUX port
  • the display unit 40 is a display such as a liquid crystal display or an organic EL display disposed on the front side of the HMD 12, and displays a video generated by the entertainment device 14.
  • the display unit 40 is housed in the housing of the HMD 12.
  • the display unit 40 may receive a video signal output from the entertainment device 14 and relayed by the relay device 16 and output a video represented by the video signal.
  • the display unit 40 according to the present embodiment can display a three-dimensional image by displaying a left-eye image and a right-eye image, for example.
  • the display unit 40 may not be able to display a three-dimensional image and can only display a two-dimensional image.
  • the sensor unit 42 is a sensor such as an acceleration sensor or a motion sensor.
  • the sensor unit 42 outputs measurement results such as the rotation amount and movement amount of the HMD 12 to the control unit 30 at a predetermined frame rate.
  • the sound output unit 44 is, for example, a headphone or a speaker, and outputs sound represented by sound data generated by the entertainment device 14.
  • the audio output unit 44 receives, for example, an audio signal output from the entertainment device 14 and relayed by the relay device 16, and outputs audio represented by the audio signal.
  • the entertainment device 14 is a computer such as a game console, a DVD player, a Blu-ray (registered trademark) player, or the like.
  • the entertainment device 14 according to the present embodiment generates video and audio by, for example, executing a stored game program or reproducing content recorded on an optical disc. Then, the entertainment device 14 according to the present embodiment outputs a video signal representing the generated video and an audio signal representing the generated audio to the HMD 12 and the display 18 via the relay device 16.
  • the relay device 16 is a computer that relays video signals and audio signals output from the entertainment device 14 and outputs them to the HMD 12 and the display 18.
  • the relay device 16 according to the present embodiment includes a communication unit 16a that is a communication interface such as a wireless LAN module with a built-in adaptive array antenna.
  • the display 18 is, for example, a liquid crystal display, and displays a video or the like represented by a video signal output from the entertainment device 14.
  • the camera microphone unit 20 includes, for example, a camera 20a that outputs an image obtained by imaging a subject to the entertainment device 14, and a microphone that acquires surrounding audio, converts the audio to audio data, and outputs the audio data to the entertainment device 14. 20b is included.
  • the camera 20a according to this embodiment is a stereo camera.
  • the HMD 12 and the relay device 16 can mutually transmit and receive data by wireless communication, for example.
  • the entertainment device 14 and the relay device 16 are connected via, for example, an HDMI cable or a USB cable.
  • the relay device 16 and the display 18 are connected via, for example, an HDMI cable.
  • the entertainment apparatus 14 and the camera microphone unit 20 are connected via, for example, an AUX cable.
  • the controller 22 is an operation input device for performing operation input to the entertainment device 14.
  • the user can perform various operation inputs using the controller 22 by pressing a direction key or button provided in the controller 22 or tilting an operation stick.
  • the controller 22 outputs input data associated with the operation input to the entertainment device 14.
  • the controller 22 according to the present embodiment includes a USB port. And the controller 22 can output input data to the entertainment apparatus 14 with a wire by connecting with the entertainment apparatus 14 with a USB cable.
  • the controller 22 according to the present embodiment includes a wireless communication module and the like, and can output input data to the entertainment apparatus 14 wirelessly.
  • wireless communication using millimeter waves such as a 60 GHz band is performed between the HMD 12 and the relay device 16. Since millimeter waves have strong straightness, the communication quality varies greatly depending on the direction of the antenna 36. For example, when the communication path between the antenna 36 and the relay device 16 is blocked by the head of the user wearing the HMD 12 or the like, the communication quality of communication by the antenna 36 is lowered. Therefore, the communication quality of one antenna 36 is high, but the communication quality of another antenna 36 may be low. In the present embodiment, the power consumption of the HMD 12 can be suppressed by controlling so that only the antenna 36 with high communication quality is driven.
  • FIG. 3 is an explanatory diagram for explaining an example of the relationship between the attitude of the HMD 12 and the driven antenna 36.
  • FIG. 3A when the user wearing the HMD 12 is facing the relay device 16, only the antenna 36a is driven, and the antenna 36b, the antenna 36c, and the antenna 36d are stopped. Is done.
  • FIG. 3B when the user wearing the HMD 12 is facing left toward the relay device 16, only the antenna 36b is driven, and the antenna 36a, the antenna 36c, and the antenna 36d are driven. Is stopped.
  • FIG. 3C when the user wearing the HMD 12 faces away from the relay device 16, only the antenna 36c is driven, and the antenna 36a, the antenna 36b, and the antenna 36d is stopped.
  • the antenna 36 to be driven changes according to the attitude of the HMD 12.
  • the drive management data includes a drive management ID, attitude angle range data, and four antenna drive flags (a first antenna drive flag, a second antenna drive flag, a third antenna drive flag, and a first antenna drive flag). 4 antenna drive flag) is included.
  • the drive management ID is, for example, identification information of drive management data.
  • the attitude angle range data is a kind of data indicating conditions relating to the attitude of the HMD 12, and is data indicating conditions of an angle range associated with the attitude of the HMD 12, for example, in the present embodiment.
  • the first antenna drive flag is, for example, a flag indicating whether or not to drive the antenna 36a.
  • the second antenna driving flag is, for example, a flag indicating whether to drive the antenna 36b.
  • the third antenna drive flag is a flag indicating whether or not to drive the antenna 36c, for example.
  • the fourth antenna drive flag is a flag indicating whether to drive the antenna 36d.
  • the posture angle range data is expressed by a combination of data indicating the range of the angle ⁇ and data indicating the range of the angle ⁇ .
  • the unit of the angle ⁇ and the angle ⁇ is “degree”.
  • FIG. 5A is a diagram illustrating an example of the angle ⁇ .
  • FIG. 5B is a diagram illustrating an example of the angle ⁇ .
  • the horizontal direction toward the relay device 16 as viewed from the user wearing the HMD 12 is the X-axis positive direction.
  • a direction obtained by rotating the X-axis positive direction by 90 degrees counterclockwise when viewed from the vertically upward direction is the Y-axis positive direction.
  • the vertically upward direction is the Z-axis positive direction.
  • the direction from the back of the user wearing the HMD 12 to the front of the head is the X axis positive direction.
  • the angle ⁇ is positive in the counterclockwise direction with respect to the positive X-axis direction in the direction from the back of the user wearing the HMD 12 toward the front of the head when viewed from the positive Z-axis direction. It is an angle to do. Further, the angle ⁇ takes a value of 0 or more and less than 360.
  • the angle ⁇ is positive in the counterclockwise direction with respect to the X-axis positive direction in the direction from the back of the user wearing the HMD 12 to the front of the head when viewed from the Y-axis positive direction. Is an angle. Further, the angle ⁇ takes a value of ⁇ 90 or more and +90 or less.
  • the angle ⁇ and the angle ⁇ can be specified based on the detection result according to the attitude of the HMD 12 output from the sensor unit 42.
  • whether the antenna 36 is driven or stopped is controlled according to the value of the antenna drive flag associated with the posture angle range data in which the specified angle ⁇ and angle ⁇ satisfy the condition. .
  • the antenna drive flag is 1, the antenna 36 associated with the antenna drive flag is controlled to be driven.
  • the antenna drive flag is 0, the antenna 36 associated with the antenna drive flag is controlled to be stopped.
  • the antenna 36a is controlled to be driven. Since the values of the second antenna drive flag, the third antenna drive flag, and the fourth antenna drive flag included in the drive management data whose drive management ID value is 001 are 0, the antennas 36b, 36c, and 36d are Controlled to be stopped.
  • the power consumption of the HMD 12 can be suppressed as compared with the case where all of the plurality of antennas 36 are driven.
  • the antenna 36 When controlling whether or not the radio wave received by the antenna 36 is used for specifying the received signal according to the communication quality of communication by the antenna 36, it is necessary to continuously monitor the communication quality of the antenna 36. Therefore, the antenna 36 cannot be stopped even if the communication quality is lowered.
  • the antenna 36 is controlled to be driven or stopped based on the detection result of the sensor unit 42, the antenna 36 is used to control whether the antenna 36 is driven or stopped. There is no need to monitor communication quality. Therefore, in this embodiment, there is no problem even if some of the antennas 36 are stopped according to the attitude of the HMD 12.
  • the HMD 12 according to the present embodiment plays a role as an antenna control device that controls driving and stopping of the antenna 36.
  • FIG. 6 is a functional block diagram illustrating an example of functions implemented by the HMD 12 according to the present embodiment. Note that the HMD 12 according to the present embodiment does not have to include all the functions illustrated in FIG. 6, and functions other than the functions illustrated in FIG. 6 may be mounted.
  • the HMD 12 functionally includes, for example, a drive management data storage unit 50, an attitude specifying unit 52, a selection unit 54, and an antenna control unit 56.
  • the drive management data storage unit 50 is mainly implemented by the storage unit 32.
  • the posture specifying unit 52 is mainly mounted with the control unit 30 and the sensor unit 42.
  • the selection unit 54 is mainly implemented by the control unit 30.
  • the antenna control unit 56 is mainly mounted with the control unit 30 and the communication unit 34.
  • the above functions may be implemented by causing the control unit 30 to execute a program that is installed in the HMD 12 that is a computer and that includes instructions corresponding to the above functions.
  • This program is supplied to the HMD 12 via a computer-readable information storage medium such as an optical disk, a magnetic disk, a magnetic tape, a magneto-optical disk, or a flash memory, or via the Internet.
  • the drive management data storage unit 50 stores, for example, drive management data illustrated in FIG.
  • the posture specifying unit 52 specifies the posture of the HMD 12, for example.
  • the posture specifying unit 52 specifies the posture of the HMD 12 based on the detection result of the sensor unit 42, for example.
  • the posture specifying unit 52 holds a posture parameter indicating the posture of the HMD 12.
  • the posture specifying unit 52 adds a value indicating a difference in posture from the previous posture specifying time to the current posture specifying time to the posture parameter value held by the posture specifying unit 52, for example. You may update so that the value of a parameter may become a value which shows the newest attitude
  • the posture parameter according to the present embodiment is a posture angle parameter ( ⁇ , ⁇ ) that is a combination of the angle ⁇ and the angle ⁇ described above.
  • the unit of the value of the posture angle parameter is “degree”.
  • the selection unit 54 selects a part of the plurality of antennas 36 included in the HMD 12 as a drive target antenna according to the attitude of the HMD 12.
  • the selection unit 54 selects the antenna to be driven based on the value of the posture angle parameter ( ⁇ , ⁇ ) specified by the posture specifying unit 52 and the drive management data stored in the drive management data storage unit 50. select.
  • the selection unit 54 specifies drive management data including posture angle range data in which the values of the posture angle parameters ( ⁇ , ⁇ ) specified by the posture specifying unit 52 satisfy the angle range condition. Then, for example, the selection unit 54 selects the antenna 36 associated with the antenna drive flag whose set value is 1 included in the specified drive management data as the antenna to be driven.
  • the antenna control unit 56 controls so that only the drive target antenna selected by the selection unit 54 is driven and the antennas 36 other than the drive target antenna are stopped.
  • the posture identifying unit 52 identifies values ( ⁇ , ⁇ ) of posture angle parameters indicating the posture of the HMD 12 (S101).
  • the selection unit 54 specifies drive management data including posture angle range data in which the posture angle parameter values ( ⁇ , ⁇ ) specified in the process shown in S101 satisfy the angle range condition (S102). For example, when (30, 0) is specified as the posture angle parameter value ( ⁇ , ⁇ ) in the process shown in S101, the drive management data whose drive management ID value is 001 is specified in the process shown in S102. .
  • the selection part 54 specifies the antenna 36 matched with the antenna drive flag whose value is 1 contained in the drive management data specified by the process shown to S102 as a drive object antenna (S103). For example, when drive management data having a drive management ID value of 001 is specified in the process shown in S102, the antenna 36a associated with the first antenna drive flag is specified as the drive target antenna in the process shown in S103.
  • S103 drive object antenna
  • the antenna control unit 56 controls so that only the antenna 36 specified as the drive target antenna in the process shown in S103 is driven and the antennas 36 other than the drive target antenna are stopped (S104).
  • the antenna 36 is driven by being supplied with drive power. If the driven antenna 36 is not specified as the drive target antenna in the process shown in S103, the supply of drive power to the antenna 36 is stopped, and the antenna 36 is stopped.
  • processing shown in S101 to S104 may be executed at predetermined time intervals. Further, for example, when the communication quality between the HMD 12 and the relay device 16 becomes equal to or lower than a predetermined quality, the processes shown in S101 to S104 may be executed.
  • the HMD 12 may further include a switch for controlling whether or not the antenna 36 is fed.
  • the antenna control unit 56 may control the switch so that only the antenna 36 that is the drive target antenna is fed and no antennas 36 other than the drive target antenna are fed.
  • the antenna control unit 56 may control the switch so that only the antenna 36a is fed and the antenna 36b, the antenna 36c, and the antenna 36d are not fed.
  • the drive management data stored in the drive management data storage unit 50 is not limited to that shown in FIG.
  • FIG. 8 is a diagram illustrating another example of the drive management data.
  • the range of the angle ⁇ at which the antenna 36a is driven is 60 degrees
  • the range of the angle ⁇ at which the antennas 36b and 36d are driven is 90 degrees
  • the range of the angle ⁇ at which the antenna 36c is driven. Is 120 degrees.
  • position of HMD12 controlled so that the said antenna 36 drives may differ with the antenna 36.
  • FIG. 9 is a diagram showing still another example of the drive management data.
  • 1 is set as the value of the associated antenna drive flag for the plurality of antennas 36.
  • a plurality of antennas 36 are driven.
  • (30, 0) is specified as the posture angle parameter value ( ⁇ , ⁇ )
  • only the antenna 36a and the antenna 36b are controlled to be driven, and the antenna 36c and the antenna 36d are controlled to be stopped.
  • the selection unit 54 may select a plurality of drive target antennas. In this case, a plurality of selected drive target antennas may perform diversity reception.
  • the communication unit 34 may include five antennas 36 (antennas 36a, 36b, 36c, 36d, and 36e).
  • the drive management data shown in FIG. 11 may be stored in the drive management data storage unit 50.
  • the drive management data shown in FIG. 11 includes five antenna drive flags (first antenna drive flag, second antenna drive flag, third antenna drive flag, fourth antenna drive flag, and fifth antenna drive flag). ing.
  • the fifth antenna drive flag which is a flag indicating whether or not to drive the antenna 36e, may be included in the drive management data.
  • the posture specifying unit 52 may not specify the value of the angle ⁇ in the process shown in S101 described above.
  • the value of the angle ⁇ contributes to control whether the antenna 36 is driven or stopped.
  • (30, 0) is specified as the posture angle parameter value ( ⁇ , ⁇ )
  • only the antenna 36a is controlled to be driven, and the antenna 36b, the antenna 36c, the antenna 36d, and the antenna 36e are stopped. Is controlled.
  • (30, 60) is specified as the posture angle parameter value ( ⁇ , ⁇ )
  • only the antenna 36e is controlled to be driven, and the antenna 36a, the antenna 36b, the antenna 36c, and the antenna 36d are stopped. Is controlled.
  • the drive management data may be as shown in FIG.
  • (30, 0) is specified as the value ( ⁇ , ⁇ ) of the attitude angle parameter
  • control is performed so that only the antenna 36a is driven, and the antenna 36b, the antenna 36c, the antenna 36d, and the antenna 36e are controlled. Controlled to be stopped.
  • (30, 45) is specified as the posture angle parameter value ( ⁇ , ⁇ )
  • only the antenna 36a and the antenna 36e are controlled to be driven, and the antenna 36b, the antenna 36c, and the antenna 36d are stopped. Is controlled.
  • the antenna 36a and the antenna 36e may perform diversity reception.
  • (30, 75) is specified as the attitude angle parameter value ( ⁇ , ⁇ )
  • only the antenna 36e is controlled to be driven, and the antenna 36a, the antenna 36b, the antenna 36c, and the antenna 36d are stopped. Is controlled.
  • the antenna control unit 56 may control all the antennas 36 included in the HMD 12 to be driven when the position or angle of the HMD 12 changes by a predetermined amount or more.
  • the posture specifying unit 52 may detect that the amount of change in the position or angle of the HMD 12 from the previous selection of the antenna to be driven has become a predetermined amount or more. And according to the said detection, you may control the antenna control part 56 so that all the antennas 36 with which HMD12 is provided drive.
  • the selection part 54 may select a drive object antenna from all the driven antennas according to the communication quality of communication with the relay apparatus 16.
  • the selection unit 54 may select the antenna 36 having the highest communication quality of communication with the relay device 16 as the antenna to be driven. Then, the antenna control unit 56 may perform control so that only the selected drive target antenna is driven and the antennas 36 other than the drive target antenna are stopped.
  • the communication quality of communication by the driven antenna 36 is low, and the communication quality of communication by the stopped antenna 36 is high. . Therefore, according to the above, it is possible to change the antenna 36 to be driven so that only the antenna 36 with high communication quality is driven according to the change in the position or angle of the HMD 12 by a predetermined amount or more.
  • the antenna control unit 56 may control all the antennas 36 included in the HMD 12 to be driven when the communication quality between the HMD 12 and the relay device 16 becomes lower than a predetermined quality.
  • the selection part 54 may select a drive object antenna from all the driven antennas according to the communication quality of communication with the relay apparatus 16. FIG. Then, the antenna control unit 56 may perform control so that only the selected drive target antenna is driven and the antennas 36 other than the drive target antenna are stopped. In this way, in response to the fact that the communication quality between the HMD 12 and the relay device 16 has become lower than the predetermined quality, it is possible to change the antenna 36 that is driven so that only the antenna 36 having a high communication quality is driven.
  • part or all of the functions illustrated in FIG. 6 may be implemented by the entertainment device 14.
  • the posture specifying unit 52 may acquire an image taken by the camera 20a and specify the posture of the HMD 12 based on the image.
  • the antenna 36 does not need to be an adaptive array antenna and does not need to be a directional antenna.

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Multimedia (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
  • Physics & Mathematics (AREA)
  • User Interface Of Digital Computer (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Computer Hardware Design (AREA)
  • General Engineering & Computer Science (AREA)
  • Support Of Aerials (AREA)
PCT/JP2016/083758 2015-11-19 2016-11-15 アンテナ制御装置、ヘッドマウントディスプレイ、アンテナ制御方法及びプログラム WO2017086290A1 (ja)

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CN201680066224.XA CN108352867A (zh) 2015-11-19 2016-11-15 天线控制装置、头戴式显示器、天线控制方法以及程序
US15/770,417 US10998626B2 (en) 2015-11-19 2016-11-15 Antenna control device, head-mounted display, antenna control method, and program
JP2017551873A JP6421250B2 (ja) 2015-11-19 2016-11-15 アンテナ制御装置、ヘッドマウントディスプレイ、アンテナ制御方法及びプログラム
EP16866292.2A EP3379736B1 (de) 2015-11-19 2016-11-15 Antennensteuerungsvorrichtung, kopfmontierte anzeige, antennensteuerungsverfahren und programm

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EP3379736B1 (de) 2022-01-19
JP6421250B2 (ja) 2018-11-07
US10998626B2 (en) 2021-05-04
JPWO2017086290A1 (ja) 2018-04-12
CN108352867A (zh) 2018-07-31
US20180323508A1 (en) 2018-11-08
EP3379736A4 (de) 2019-07-17

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